use SIGNAL_HANDLER REEEEEE (#59242)

makes as many procs as i can find use the SIGNAL_HANDLER define which i assumed they all already did

code/datums/elements/dryable.dm

@@ -21,6 +21,7 @@
 	REMOVE_TRAIT(target, TRAIT_DRYABLE, ELEMENT_TRAIT)
 
 /datum/element/dryable/proc/finish_drying(atom/source)
+	SIGNAL_HANDLER
 	var/atom/dried_atom = source
 	if(dry_result == dried_atom.type)//if the dried type is the same as our currrent state, don't bother creating a whole new item, just re-color it.
 		var/atom/movable/resulting_atom = dried_atom

code/datums/elements/light_blocking.dm

@@ -27,6 +27,7 @@
 
 ///Updates old and new turf loc opacities.
 /datum/element/light_blocking/proc/on_target_move(atom/movable/source, atom/OldLoc, Dir, Forced = FALSE)
+	SIGNAL_HANDLER
 	if(isturf(OldLoc))
 		var/turf/old_turf = OldLoc
 		old_turf.remove_opacity_source(source)

code/datums/elements/obj_regen.dm

@@ -35,6 +35,7 @@
 
 /// Handles beginning processing objects.
 /datum/element/obj_regen/proc/on_take_damage(obj/target, damage_amt)
+	SIGNAL_HANDLER
 	if(!damage_amt)
 		return
 	if(!length(processing))

code/datums/elements/skittish.dm

@@ -17,6 +17,7 @@
 	. = ..()
 
 /datum/element/skittish/proc/Bump(mob/living/scooby, atom/target)
+	SIGNAL_HANDLER
 	if(scooby.stat != CONSCIOUS || scooby.m_intent != MOVE_INTENT_RUN)
 		return